Thursday, July 3, 2014

C# Tutorial for Beginners 17 - Class Inheritance in C#









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using System;
namespace MyProject.Examples
{
    class Polygon {
        public Polygon()
        {
            Console.WriteLine("We are in Base class");
        }
        public int width, height;
        public void setVlues(int a, int b)
        {
            this.width=a;
            this.height=b;
        }
    }

    class Rectangle : Polygon
    {
        public Rectangle()
        {
            Console.WriteLine("We are in Derived Rectaange class");
        }
        public int area() {
            return width * height;
        }
    }
    class Triangle : Polygon
    {
        public int area()
        {
            return width * height/2;
        }
    }
    class ExampleOne
    {
        public static void Main()
        {
            Rectangle rect = new Rectangle();
            Triangle trig = new Triangle();
            rect.setVlues(10,20);
            trig.setVlues(30,20);

            Console.WriteLine("Rectangle area = {0}", rect.area());
            Console.WriteLine("Triangle area = {0}", trig.area());
            Console.ReadKey();
        }
    }
}




































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